(.5/1) stud/8 With trips should I have charged these lows?

I'm a limit HE player who is trying to expand his horizons :-)

I welcome comments on any street, but I'm wondering if on the river I should have realized that I'm up against two people going low and charged them?

Thanks,
John

7 Card Stud High-Low ($0.50/$1), Ante $0.25, Bring-In $0.25 (converter)

3rd Street - (4.00 SB)

Seat 1: xx xx Q[img]/images/graemlins/diamond.gif[/img]___folds
Seat 2: xx xx K[img]/images/graemlins/heart.gif[/img]___folds
Seat 3: xx xx 3[img]/images/graemlins/spade.gif[/img]___brings-in___calls
Seat 4: xx xx Q[img]/images/graemlins/heart.gif[/img]___folds
Seat 5: xx xx T[img]/images/graemlins/club.gif[/img]___folds
Seat 6: xx xx T[img]/images/graemlins/spade.gif[/img]___folds
Seat 7: xx xx 7[img]/images/graemlins/diamond.gif[/img]___calls___calls
Hero: 6[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img]___completes

4th Street - (7.00 SB)

Seat 3: xx xx 3[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/spade.gif[/img]___calls
Seat 7: xx xx 7[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img]___calls
Hero: 6[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img]___bets

5th Street - (5.00 BB)

Seat 3: xx xx 3[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/club.gif[/img]___calls
Seat 7: xx xx 7[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/club.gif[/img]___calls
Hero: 6[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/club.gif[/img]___bets

6th Street - (8.00 BB)

Seat 3: xx xx 3[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/club.gif[/img]___calls
Seat 7: xx xx 7[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/heart.gif[/img]___calls
Hero: 6[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/diamond.gif[/img]___bets

River - (11.00 BB)

Seat 3: xx xx 3[img]/images/graemlins/spade.gif[/img] 6[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/club.gif[/img] 5[img]/images/graemlins/club.gif[/img] xx___raises
Seat 7: xx xx 7[img]/images/graemlins/diamond.gif[/img] 5[img]/images/graemlins/spade.gif[/img] 3[img]/images/graemlins/club.gif[/img] T[img]/images/graemlins/heart.gif[/img] xx___calls
Hero: 6[img]/images/graemlins/heart.gif[/img] A[img]/images/graemlins/spade.gif[/img] A[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/club.gif[/img] 4[img]/images/graemlins/diamond.gif[/img] K[img]/images/graemlins/diamond.gif[/img]___bets___calls

Total pot: (17.00 BB)